Cataclysm combine MotW and BoK in BuffTracker

[BreakBB]

In Catalysm Mark of the Wild and Blessing of Kings are the same buff and exclusive to each other. Yet BuffTracker shows one as missing when the other is up.

Related to #114

I'd like to provide a PR when pointed into the right direction. I am unsure how it would be added to https://github.com/enderneko/Cell/blob/f20f2830d5784e8e0e49384792a008e6fd9e1275/Utilities/BuffTracker_Cata.lua